Description
Key Technical Specifications
- Function: MNI/MBI (Moore Network Interface / Module Bus Interface) combo card for MNET communication within the APACS distributed control system
- Platform: Siemens Moore APACS (Advanced Process Automation Control System)
- Communication Protocol: MNET
- ⚠️ Dimensions, Weight, Data Rate, Power Input, Operating Temperature: Figures circulating for this part (152 x 100 x 35 mm, 0.5 kg, 1 Mbps, 24 VDC, −20 to +60°C) come from a single reseller source without a traceable OEM datasheet behind them. Verify these against Siemens’ APACS hardware documentation or the physical nameplate before relying on them for an installation or replacement decision.
Product Introduction
The Siemens Moore 16413-1-05 is an MNI/MBI combo interface card for the APACS distributed control system, handling MNET network communication between system components. It’s identified consistently across multiple industrial parts suppliers as a communication/interface module within the APACS “SYSTEM NAME: APACS MNI/MBI COMBO CARD” designation.
APACS systems, originally a Moore Products / Siemens Moore platform, rely on modules like this to move data across the MNET backbone connecting controllers, I/O, and operator stations. Given the platform’s age, most available stock is surplus, refurbished, or repaired rather than current manufacture.

16413-1-05

16413-1-05
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Loss of MNET communication on the affected node | Module fault or MNET cabling issue | ✅ High | Check MNET cable continuity and connector seating first | Isolate cabling before condemning the module |
| Intermittent communication drops | Connector wear, cabling degradation, or module thermal issue | ⚠️ Medium | Inspect physical connections and ambient temperature at the rack | Address wiring/environment before replacing the module |
| Module not recognized by the APACS system | Incorrect slot placement or configuration mismatch | ⚠️ Medium | Verify rack position and system configuration against APACS documentation | Confirm placement before assuming hardware failure |
| Total communication failure across multiple nodes | Network-wide fault, not isolated to this module | ❌ Low | Check other nodes on the same MNET segment | Broader network issue, not necessarily this module |
Send your APACS system configuration and MNET network diagram to technical support if a swap doesn’t restore communication — on legacy platforms like this, distinguishing a module fault from a network-wide issue takes the actual topology, not guesswork.
Frequently Asked Questions (FAQ)
Is this part still manufactured, or am I buying old stock?
This is a legacy APACS component under the Siemens Moore product line. What’s available now is surplus, refurbished, or repaired stock — ask your supplier directly about condition and testing, since “new” listings for a discontinued platform usually mean new-old-stock rather than current production.
Can I get this repaired instead of replacing it?
Some suppliers offer repair services for APACS modules like this one. If your existing unit has a known fault rather than being completely dead, a repair quote may be worth comparing against a surplus replacement cost.
Do I need to reconfigure anything after installing a replacement?
Very likely yes — confirm your APACS system’s node addressing and configuration against the replacement module before bringing it online. Don’t assume a swap is plug-and-play without checking system-specific settings.
Why do the technical specs vary between sellers?
Because APACS documentation isn’t as readily available publicly as more common PLC/DCS platforms, and several reseller listings appear to repeat unverified figures rather than quoting from an actual Siemens/Moore datasheet. If exact specs matter for your application, request the OEM hardware reference from Siemens or an authorized APACS parts supplier.
Is this compatible with all APACS system versions?
Confirm compatibility with your specific APACS controller generation and MNET configuration before ordering — legacy DCS platforms often have hardware revisions that aren’t universally interchangeable even within the same nominal part family.

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